The Flange,pipe, cataloged under National Stock Number 4730-01-217-2656, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-217-2656 |
| Primary Part Number | 12329062 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Flange Diameter | 5.550 INCHES NOMINAL IN |
| Face Seating Surface Condition | GROUND |
| Nominal Pipe Size for Which Designed | 1.600 INCHES IN |
| Flange Section Style | PLAIN FACE, LONG NECK |
| Style Designator | ROUND, TWO BOLT HOLE CIRCLES |
| Outer Bolt Circle Hole Diameter | 0.280 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Neck Height | 0.520 INCHES NOMINAL IN |
| Inner Bolt Circle Hole Diameter | 0.228 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN |
| Outer Bolt Circle Hole Quantity | 12 |
| Inner Bolt Circle Diameter | 1.625 INCHES NOMINAL IN |
| Material | STEEL |
| Neck Diameter | 3.870 INCHES NOMINAL IN |
| Outer Bolt Circle Diameter | 4.750 INCHES NOMINAL IN |
| Inner Bolt Circle Hole Quantity | 5 |
| Thickness | 1.050 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12329062 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4730-01-217-2656 is a Flange,pipe, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-217-2656 has 1 manufacturer part number on file: 12329062 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12329062: Flange Diameter: 5.550 INCHES NOMINAL IN; Face Seating Surface Condition: GROUND; Nominal Pipe Size for Which Designed: 1.600 INCHES IN; Flange Section Style: PLAIN FACE, LONG NECK. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.